Home / 13,520.26-18,522.43-13,014.88

Finding the Fourth Proportional to 13,520.26, 18,522.43 and 13,014.88

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Solution

The fourth proportional to 13,520.26, 18,522.43 and 13,014.88 is: 17,830.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520.26 : 18,522.43 = 13,014.88 : x
  2. Step 2: Convert to fraction form
    13,520.26/18,522.43 = 13,014.88/x
  3. Step 3: Cross multiply
    13,520.26x = 18,522.43 × 13,014.88
  4. Step 4: Simplify right side
    13,520.26x = 241,067,124.92
  5. Step 5: Solve for x
    x = 241,067,124.92/13,520.26
  6. Step 6: Final answer
    x = 17,830.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.